v.使高興;活躍;振奮起來
Put on some music to liven things up. 放些音樂,讓氣氛愉快起來。
The meeting began to liven up after he spoke. 在他發(fā)言之后會(huì)議開始活躍起來。
v.活躍;有生氣;快活
n.生動(dòng)(活躍度;混響度)